Palau
Dean's Blue Hole
About this Dive Site
Description
Dean's Blue Hole, the world's deepest known blue hole, plunges an astonishing 202 meters into the ocean floor, offering unparalleled visibility. While a renowned freediving mecca, recreational divers can still explore its upper reaches, encountering marine life like turtles and tropical fish in this breathtaking natural wonder.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30°C | 30°C | 30°C | 31°C | 31°C | 31°C | 31°C | 31°C | 30°C | 30°C | 30°C | 30°C |
Peak Season
March, October, November, January, February, April, September, December
Jan
Good visibility, interesting geological formations.
Feb
Calm seas, excellent visibility.
Mar
Peak visibility, ideal for exploring the holes.
Apr
Warm water, good visibility.
More monthly highlights
May
Slightly reduced visibility due to potential plankton.
Jun
Rainy season, visibility can be affected.
Jul
Rainy season, potential for stronger currents.
Aug
End of rainy season, visibility improving.
Sep
Visibility improving, good for exploring the cave system.
Oct
Excellent visibility, calm seas, ideal for cave diving.
Nov
Great visibility, calm conditions for exploring the Blue Holes.
Dec
Good visibility, suitable for exploring the geological features.
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